324 		smp_mb(); /* ensure expedited fastpath sees end of RCU c-s. */  in rcu_read_unlock_special()
602 				smp_mb(); /* EGP done before wake_up(). */  in rcu_report_exp_rnp()
718 	smp_mb(); /* Caller's modifications seen first by other CPUs. */  in synchronize_rcu_expedited()
720 	smp_mb(); /* Above access cannot bleed into critical section. */  in synchronize_rcu_expedited()
782 	smp_mb(); /* ensure expedited GP seen before counter increment. */  in synchronize_rcu_expedited()
788 	smp_mb(); /* ensure subsequent action seen after grace period. */  in synchronize_rcu_expedited()
1665 	smp_mb(); /* Ensure callback reuse happens after callback invocation. */  in rcu_oom_notify()
2128 	smp_mb(); /* Ensure that CB invocation happens after GP end. */  in rcu_nocb_wait_gp()
2185 		smp_mb();  /* Ensure _sleep true before scan. */  in nocb_leader_wait()
2204 	smp_mb(); /* Ensure _sleep true before scan of ->nocb_head. */  in nocb_leader_wait()
2702 	smp_mb(); /* Order initial oldstate fetch vs. later non-idle work. */  in rcu_sysidle_force_exit()
2794 	smp_mb(); /* Read counters before timestamps. */  in rcu_sysidle_check_cpu()
2874 	smp_mb();  in rcu_sysidle_cancel()
2925 	smp_mb();  /* grace period precedes setting inuse. */  in rcu_sysidle_cb()
2978 	smp_mb(); /* ensure rss load happens before later caller actions. */  in rcu_sys_is_idle()